{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2001:FEVBG7UUKJXZC233KZHWQHBSC6","short_pith_number":"pith:FEVBG7UU","canonical_record":{"source":{"id":"astro-ph/0110159","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2001-10-06T15:19:49Z","cross_cats_sorted":[],"title_canon_sha256":"0207eb80b7f9d576e0505601c24e44f3b7ca5cb26d96ee3e9861c8441ab9187e","abstract_canon_sha256":"1c1c7936482787ce91fcd67dc02384cee1ff61dcaf20c93adb2e3d1a8969d835"},"schema_version":"1.0"},"canonical_sha256":"292a137e94526f916b7b564f681c3217aa0e668aa90ddc7619fbc2254ce46a78","source":{"kind":"arxiv","id":"astro-ph/0110159","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0110159","created_at":"2026-07-04T16:24:14Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0110159v1","created_at":"2026-07-04T16:24:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0110159","created_at":"2026-07-04T16:24:14Z"},{"alias_kind":"pith_short_12","alias_value":"FEVBG7UUKJXZ","created_at":"2026-07-04T16:24:14Z"},{"alias_kind":"pith_short_16","alias_value":"FEVBG7UUKJXZC233","created_at":"2026-07-04T16:24:14Z"},{"alias_kind":"pith_short_8","alias_value":"FEVBG7UU","created_at":"2026-07-04T16:24:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2001:FEVBG7UUKJXZC233KZHWQHBSC6","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0110159","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2001-10-06T15:19:49Z","cross_cats_sorted":[],"title_canon_sha256":"0207eb80b7f9d576e0505601c24e44f3b7ca5cb26d96ee3e9861c8441ab9187e","abstract_canon_sha256":"1c1c7936482787ce91fcd67dc02384cee1ff61dcaf20c93adb2e3d1a8969d835"},"schema_version":"1.0"},"canonical_sha256":"292a137e94526f916b7b564f681c3217aa0e668aa90ddc7619fbc2254ce46a78","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:24:14.474242Z","signature_b64":"huz0237juE2B7QPiW375Fl8v4YZBOeUmQSZvLIBzRgNf7tNAcsbuKmZwPmZEIJpQWGCl+6Z7Y/D6t0KOsb82CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"292a137e94526f916b7b564f681c3217aa0e668aa90ddc7619fbc2254ce46a78","last_reissued_at":"2026-07-04T16:24:14.473848Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:24:14.473848Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0110159","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T16:24:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"acktlXVqF0wLTUUHow9iL2fSwrFcPBs/Bg0/Vf7GbrTJ3P6g57QAG3M7YAvu3d5Ha2UkRuOvn/i9dLIqYE5ADQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T08:14:59.531888Z"},"content_sha256":"7a8334ab361ec04839a90904109b9a0e8e892422f26c4976ede4f1e84c815799","schema_version":"1.0","event_id":"sha256:7a8334ab361ec04839a90904109b9a0e8e892422f26c4976ede4f1e84c815799"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2001:FEVBG7UUKJXZC233KZHWQHBSC6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Galaxy Light Concentration. I. Index stability and the connection with galaxy structure, dynamics, and supermassive black holes","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Alister W. Graham, I. Trujillo, N. Caon","submitted_at":"2001-10-06T15:19:49Z","abstract_excerpt":"We explore the stability of different galaxy light concentration indices as a function of the outermost observed galaxy radius. With a series of analytical light-profile models, we show mathematically how varying the radial extent to which one measures a galaxy's light can strongly affect the derived galaxy concentration. The \"mean concentration index\", often used for parameterizing high-redshift galaxies, is shown to be horribly unstable, even when modeling one-component systems such as elliptical, dwarf elliptical and pure exponential disk galaxies. The C_31 concentration index performs cons"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0110159","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/astro-ph/0110159/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T16:24:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YQefFv3WAtqEbp48tSWPW7rDt6DH7y+nG7mphcqllPUuoBM+9OAs4uljaiaOW1Fv+SvUOiewlclXyB12fb1bDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T08:14:59.532382Z"},"content_sha256":"4f01e50e354c6c9e2ae632751c70f58d3b59a1634916501af236269465e90e87","schema_version":"1.0","event_id":"sha256:4f01e50e354c6c9e2ae632751c70f58d3b59a1634916501af236269465e90e87"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FEVBG7UUKJXZC233KZHWQHBSC6/bundle.json","state_url":"https://pith.science/pith/FEVBG7UUKJXZC233KZHWQHBSC6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FEVBG7UUKJXZC233KZHWQHBSC6/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-14T08:14:59Z","links":{"resolver":"https://pith.science/pith/FEVBG7UUKJXZC233KZHWQHBSC6","bundle":"https://pith.science/pith/FEVBG7UUKJXZC233KZHWQHBSC6/bundle.json","state":"https://pith.science/pith/FEVBG7UUKJXZC233KZHWQHBSC6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FEVBG7UUKJXZC233KZHWQHBSC6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2001:FEVBG7UUKJXZC233KZHWQHBSC6","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"1c1c7936482787ce91fcd67dc02384cee1ff61dcaf20c93adb2e3d1a8969d835","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2001-10-06T15:19:49Z","title_canon_sha256":"0207eb80b7f9d576e0505601c24e44f3b7ca5cb26d96ee3e9861c8441ab9187e"},"schema_version":"1.0","source":{"id":"astro-ph/0110159","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0110159","created_at":"2026-07-04T16:24:14Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0110159v1","created_at":"2026-07-04T16:24:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0110159","created_at":"2026-07-04T16:24:14Z"},{"alias_kind":"pith_short_12","alias_value":"FEVBG7UUKJXZ","created_at":"2026-07-04T16:24:14Z"},{"alias_kind":"pith_short_16","alias_value":"FEVBG7UUKJXZC233","created_at":"2026-07-04T16:24:14Z"},{"alias_kind":"pith_short_8","alias_value":"FEVBG7UU","created_at":"2026-07-04T16:24:14Z"}],"graph_snapshots":[{"event_id":"sha256:4f01e50e354c6c9e2ae632751c70f58d3b59a1634916501af236269465e90e87","target":"graph","created_at":"2026-07-04T16:24:14Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/astro-ph/0110159/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We explore the stability of different galaxy light concentration indices as a function of the outermost observed galaxy radius. With a series of analytical light-profile models, we show mathematically how varying the radial extent to which one measures a galaxy's light can strongly affect the derived galaxy concentration. The \"mean concentration index\", often used for parameterizing high-redshift galaxies, is shown to be horribly unstable, even when modeling one-component systems such as elliptical, dwarf elliptical and pure exponential disk galaxies. The C_31 concentration index performs cons","authors_text":"Alister W. Graham, I. Trujillo, N. Caon","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2001-10-06T15:19:49Z","title":"Galaxy Light Concentration. I. Index stability and the connection with galaxy structure, dynamics, and supermassive black holes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0110159","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:7a8334ab361ec04839a90904109b9a0e8e892422f26c4976ede4f1e84c815799","target":"record","created_at":"2026-07-04T16:24:14Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"1c1c7936482787ce91fcd67dc02384cee1ff61dcaf20c93adb2e3d1a8969d835","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2001-10-06T15:19:49Z","title_canon_sha256":"0207eb80b7f9d576e0505601c24e44f3b7ca5cb26d96ee3e9861c8441ab9187e"},"schema_version":"1.0","source":{"id":"astro-ph/0110159","kind":"arxiv","version":1}},"canonical_sha256":"292a137e94526f916b7b564f681c3217aa0e668aa90ddc7619fbc2254ce46a78","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"292a137e94526f916b7b564f681c3217aa0e668aa90ddc7619fbc2254ce46a78","first_computed_at":"2026-07-04T16:24:14.473848Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:24:14.473848Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"huz0237juE2B7QPiW375Fl8v4YZBOeUmQSZvLIBzRgNf7tNAcsbuKmZwPmZEIJpQWGCl+6Z7Y/D6t0KOsb82CQ==","signature_status":"signed_v1","signed_at":"2026-07-04T16:24:14.474242Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0110159","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7a8334ab361ec04839a90904109b9a0e8e892422f26c4976ede4f1e84c815799","sha256:4f01e50e354c6c9e2ae632751c70f58d3b59a1634916501af236269465e90e87"],"state_sha256":"44ac118e5b1fa23eee8d01e990342e1c9a74b43ac5c7fe4abec2b8ea6a656046"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZpUkSQrUTL2xubLueoxzxtPqU4/atPnDD+hWCoZMUigGk4UJZU4Rer0oYeN87vdu/mvqDf9QKZklYZWC7COjCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-14T08:14:59.536146Z","bundle_sha256":"711c57ab07331695e05dceba5e6164bf03ecaf68773f37c59782f0cd434d8855"}}